Finding the Fourth Proportional to 151,800.37, 227,395.99 and 139,399.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,800.37 : 227,395.99 = 139,399.27 : x
2. Step 2: Convert to fraction form
   151,800.37/227,395.99 = 139,399.27/x
3. Step 3: Cross multiply
   151,800.37x = 227,395.99 × 139,399.27
4. Step 4: Simplify right side
   151,800.37x = 31,698,835,006.93
5. Step 5: Solve for x
   x = 31,698,835,006.93/151,800.37
6. Step 6: Final answer
   x = 208,819.22